<template>
  <el-dialog :visible="showDialog" :title="showTitle" @close="close">
    <el-form ref="form" :model="formData" :rules="rules" label-width="120px">
      <el-form-item prop="name" label="部门名称">
        <el-input v-model="formData.name" placeholder="2-10个字符" style="width: 80%" size="mini" />
      </el-form-item>

      <el-form-item prop="code" label="部门编码">
        <el-input v-model="formData.code" placeholder="2-10个字符" style="width: 80%" size="mini" />
      </el-form-item>

      <el-form-item prop="managerId" label="部门负责人">
        <el-select v-model="formData.managerId" placeholder="请选择负责人" style="width: 80%" size="mini">
          <!-- 下拉选项 循环 负责人数据 label表示显示的字段 value 存储字段 -->
          <el-option
            v-for="item in managerList"
            :key="item.id"
            :label="item.username"
            :value="item.id"
          />
        </el-select>

      </el-form-item>

      <el-form-item prop="introduce" label="部门介绍">
        <el-input v-model="formData.introduce" placeholder="1-100个字符" type="textarea" size="mini" :rows="4" style="width: 80%" />
      </el-form-item>

      <el-form-item>
        <!-- 按钮 -->
        <el-row type="flex" justify="center">
          <el-col :span="12">
            <el-button size="mini" type="primary" @click="determine">确定</el-button>

            <el-button size="mini" @click="close">取消</el-button>

          </el-col>

        </el-row>

      </el-form-item>

    </el-form>
  </el-dialog>
</template>

<script>
import { addDepartment, getDepartmentDetail, getDepartments, getManagerList, updateDepartment } from '@/api/department'

export default {
  name: 'Dialog',
  props: {
    showDialog: {
      type: Boolean,
      default: false
    },
    addData: {
      type: Object,
      default: null
    }
  },
  data() {
    return {
      managerList: [], // 存储负责人列表
      formData: {
        code: '', // 部门编码
        introduce: '', // 部门介绍
        managerId: '', // 部门负责人id
        name: '', // 部门名称
        pid: '' // 父级部门的id
      },
      rules: {
        code: [{ required: true, message: '部门编码不能为空', trigger: 'blur' },
          {
            min: 2, max: 10, message: '部门编码的长度为2-10个字符', trigger: 'blur'
          },
          {
            trigger: 'blur',
            validator: async(rule, value, callback) => {
              let res = await getDepartments()
              if (this.formData.id) {
                res = res.filter(item => item.id !== this.formData.id)
              }
              if (res.find(item => item.code === value)) {
                callback(new Error('部门编码已存在'))
              } else {
                callback()
              }
            }
          }
        ], // 部门编码
        introduce: [{ required: true, message: '部门介绍不能为空', trigger: 'blur' }, {
          min: 1, max: 100, message: '部门介绍的长度为1-100个字符', trigger: 'blur'
        }], // 部门介绍
        managerId: [{ required: true, message: '部门负责人不能为空', trigger: 'blur' }], // 部门负责人id
        name: [{ required: true, message: '部门名称不能为空', trigger: 'blur' },
          {
            min: 2, max: 10, message: '部门名称的长度为2-10个字符', trigger: 'blur'
          },
          {
            trigger: 'blur',
            // 自定义校验模式
            validator: async(rule, value, callback) => {
              // value就是输入的编码
              let res = await getDepartments()
              // res value值
              if (this.formData.id) {
                res = res.filter(item => item.id !== this.formData.id)
              }
              if (res.some(item => item.name === value)) {
                callback(new Error('部门中已经有该名称了'))
              } else {
                callback()
              }
            }
          }] // 部门名称
      }
    }
  },
  computed: {
    showTitle() {
      return this.formData.id ? '编辑部门' : '新增部门'
    }
  },
  created() {
    this.getManagerList()
  },
  methods: {
    async getDepartmentDetail() {
      this.formData = await getDepartmentDetail(this.addData.currentId)
    },
    async determine() {
      await this.$refs.form.validate()
      if (this.formData.id) {
        // 编辑
        await updateDepartment(this.formData)
        this.$message.success(`编辑部门成功`)
      } else {
        // 新增
        this.formData.pid = this.addData.currentId
        await addDepartment(this.formData)
        this.$message.success(`新增部门成功`)
      }
      // 通知父组件刷新
      this.$emit('updateDepartment')
      this.close()
    },
    async getManagerList() {
      this.managerList = await getManagerList()
    },
    close() {
      this.$emit('update:showDialog', false)
      this.$refs.form.resetFields()
      this.formData = {
        code: '', // 部门编码
        introduce: '', // 部门介绍
        managerId: '', // 部门负责人id
        name: '', // 部门名称
        pid: '' // 父级部门的id
      }
    }
  }
}
</script>

<style scoped lang='less'></style>
